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Nickel Alloy Flanges

Experience the excellence of our Nickel Alloy Flanges, crafted with precision and quality by an exporter, manufacturer, and supplier with over 8 years of dedicated expertise. Our incomparable product range includes the best Inconel 825 Flanges, highly in-demand Hastelloy B2 Flanges, superior Hastelloy C22 Flanges, premium Nickel Alloy 200 Flanges, and the unmatched Inconel 600 Flanges. These nickel alloy flanges are renowned for their exceptional corrosion resistance, excellent mechanical strength, superior temperature tolerance, robust durability, and easy machinability-making them the best choice in critical industrial applications. The incomparable performance and uncompromising standards set us apart in the domestic market, with supply ability covering All India. Our trusted Nickel Alloy Flanges are perfect for high-pressure piping, chemical processing, oil and gas, power generation, and marine engineering. Order now to benefit from limited stock and discover why our products are consistently selected for the toughest jobs. Choose reliability, longevity, and supreme quality with our Nickel Alloy Flanges, where every piece delivers unparalleled value and unbeatable performance, ensuring your projects meet the highest industry standards.
Nickel Alloy 200 Flanges

Nickel Alloy 200 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical Industries, Food Processing, Power Generation, Chemical Industry, Marine Applications
  • Color
  • Silver, Metallic Grey
  • Connection
  • Other, Welded, Threaded, Slip-On, Blind, Lap Joint, Socket Weld, Orifice
  • Dimension (L*W*H)
  • Customized as per requirement
  • Feature
  • Corrosion Resistant, High Ductility, Heat Resistant, Non-Magnetic
  • Grade
  • Nickel 200
  • Material
  • Nickel Alloy 200 (UNS N02200)
  • Pressure
  • 150# to 2500# (PN10 to PN400)
  • Product Type
  • Other, Flanges
  • Purity
  • 99.6% Nickel (min)
  • Shape
  • Other, Round, Custom
  • Size
  • 1/2 to 24 (DN15 to DN600)
  • Standard
  • Other, ASTM B564, ASME SB564, DIN, EN, JIS, BS, GB
  • Surface
  • Other, Smooth, Polished, Pickled
  • Technics
  • Other, Forged, Machined
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Nickel Alloy 201 Flanges

Nickel Alloy 201 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical, Oil & Gas, Chemical, Power Plants
  • Color
  • Silver / Metallic
  • Connection
  • Other, Welded / Bolted
  • Dimension (L*W*H)
  • As per standard or custom requirement
  • Feature
  • Corrosion Resistant, High Strength, Durable
  • Grade
  • Nickel 201 (UNS N02201)
  • Material
  • Nickel Alloy 201
  • Pressure
  • 150# to 2500# (PN6 to PN400)
  • Product Type
  • Other, Flanges
  • Purity
  • 99.6% Nickel minimum
  • Shape
  • Round
  • Size
  • 1/2 to 24 (DN15 to DN600)
  • Standard
  • Other, ASTM B564 / ASME SB564
  • Surface
  • Other, Polished / Bright Finish
  • Technics
  • Other, Forged
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Monel 400 Flanges

Monel 400 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical, Oil & Gas, Marine, Chemical Processing, Power Generation, Aerospace
  • Color
  • Silver/Metallic
  • Connection
  • Other, Welded, Threaded, Slip On, Socket Weld, Blind, Lap Joint, Orifice, Plate, Screwed
  • Dimension (L*W*H)
  • Custom or As Per Drawing/Standard
  • Feature
  • Corrosion Resistant, Temperature Resistant, High Strength
  • Grade
  • 400
  • Material
  • Monel 400 (UNS N04400)
  • Pressure
  • 150# to 2500# (PN 6 to PN 400)
  • Product Type
  • Pipe Flanges
  • Purity
  • >63% Nickel, 28-34% Copper
  • Shape
  • Round
  • Size
  • 1/2 inch to 24 inch (15 NB to 600 NB)
  • Standard
  • Other, ASTM B564, ASME SB564, DIN, JIS, EN, ANSI, BS
  • Surface
  • Other, Bright, Smooth, Machined
  • Technics
  • Other, Forged
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Monel K500 Flanges

Monel K500 Flanges

MOQ : 50 Pieces

  • Application
  • Oil & Gas, Marine, Petrochemical, Power, Chemical Processing
  • Color
  • Silver, Metallic
  • Connection
  • Other, Welded, Threaded, Slip-On
  • Dimension (L*W*H)
  • As per order / Customizable
  • Feature
  • High strength, Excellent corrosion resistance, Non-magnetic
  • Grade
  • Monel K500 (UNS N05500)
  • Material
  • Monel K500
  • Pressure
  • Class 150, 300, 600, 900, 1500, 2500
  • Product Type
  • Other, Flange
  • Purity
  • 99% base metal
  • Shape
  • Round
  • Size
  • 1/2 to 24 (DN15 to DN600)
  • Standard
  • Other, ASTM B564, ASME SB564, ANSI, DIN, EN, JIS, BS
  • Surface
  • Other, Polished / Smooth
  • Technics
  • Other, Forged
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Inconel 600 Flanges

Inconel 600 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical, Oil & Gas, Power Generation, Chemical Processing, Marine, Aerospace
  • Color
  • Metallic Silver
  • Connection
  • Other, Welded, Screwed, Socket Weld, Slip-On, Blind
  • Dimension (L*W*H)
  • Custom as per requirement
  • Feature
  • High temperature and corrosion resistance, Excellent mechanical properties
  • Grade
  • Inconel 600 / UNS N06600 / W.Nr. 2.4816
  • Material
  • Inconel 600 (Nickel-Chromium Alloy 600)
  • Pressure
  • Class 150, 300, 600, 900, 1500, 2500 lbs
  • Product Type
  • Other, Pipe Flange
  • Purity
  • Nickel 72% min, Chromium 14-17%, Iron 6-10%
  • Shape
  • Round
  • Size
  • 12 inch to 48 inches (DN15 - DN1200)
  • Standard
  • Other, ASTM B564, ASME SB564, ANSI B16.5, B16.47
  • Surface
  • Other, Bright, Smooth, Corrosion-resistant
  • Technics
  • Other, Forged
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Inconel 601 Flanges

Inconel 601 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical, Power Generation, Gas Processing, Chemical Equipment, Seawater Equipment, Heat Exchangers
  • Color
  • Silver / Metallic Grey
  • Connection
  • Other, Welded, Screwed, Threaded
  • Dimension (L*W*H)
  • Customized as per requirement
  • Feature
  • Corrosion Resistant, High Temperature Strength, Oxidation Resistant
  • Grade
  • 601
  • Material
  • Inconel 601 (UNS N06601)
  • Pressure
  • Class 150 to 2500, PN6 to PN160
  • Product Type
  • Other, Industrial Flange
  • Purity
  • Nickel-Chromium-Iron Alloy, High Purity
  • Shape
  • Other, Round, Raised Face, Flat Face, Ring Type Joint
  • Size
  • 1/2 to 48 (DN15 - DN1200)
  • Standard
  • Other, ASTM B564, ASME SB564, DIN, EN, JIS, BS, GB
  • Surface
  • Other, Polished, Smooth Finish
  • Technics
  • Other, Forged
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Inconel 625 Flanges

Inconel 625 Flanges

MOQ : 50 Pieces

  • Application
  • Oil & Gas, Chemical Processing, Power Generation, Marine, Aerospace, Petrochemical, Heat Exchangers, Piping Systems
  • Color
  • Silver/Grey
  • Connection
  • Other, Welded, Threaded, Slip-On, Socket Weld
  • Dimension (L*W*H)
  • Customized as per requirement
  • Feature
  • Corrosion Resistant, High Temperature Strength, Oxidation Resistant, Excellent Weldability
  • Grade
  • Inconel 625
  • Material
  • Inconel 625 (UNS N06625)
  • Pressure
  • Class 150, 300, 600, 900, 1500, 2500 (PN6, PN10, PN16, PN25, PN40, PN64, PN100)
  • Product Type
  • Other, Flange
  • Purity
  • >99% (Nickel based alloy content)
  • Shape
  • Other, Round/ Circular
  • Size
  • 1/2 to 48 (DN15 to DN1200) or Customized
  • Standard
  • Other, ASTM B564, ASME SB564, ANSI B16.5, DIN, EN, JIS, BS
  • Surface
  • Other, Polished / Smooth Finish
  • Technics
  • Other, Forged and Machined
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Inconel 800 Flanges

Inconel 800 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical, Oil & Gas, Power Generation, Chemical Processing
  • Color
  • Silver / Metallic
  • Connection
  • Other, Welded, Screwed, Threaded
  • Dimension (L*W*H)
  • As per standard / customer requirement
  • Feature
  • Corrosion Resistant, Heat Resistant, High Strength
  • Grade
  • Inconel 800 / UNS N08800
  • Material
  • Inconel 800
  • Pressure
  • 150# to 2500#
  • Product Type
  • Other, Flange
  • Purity
  • Nickel-Iron-Chromium Alloy
  • Shape
  • Other, Round / Circular
  • Size
  • 1/2 to 24 (DN15 to DN600)
  • Standard
  • Other, ASTM B564 / ASME SB564
  • Surface
  • Other, Bright / Polished
  • Technics
  • Other, Forged
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Inconel 825 Flanges

Inconel 825 Flanges

MOQ : 50 Pieces

  • Application
  • Chemical processing, Oil & Gas, Power Generation, Marine Engineering, Pollution Control
  • Color
  • Metallic Silver
  • Connection
  • Other, Weld Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Custom
  • Dimension (L*W*H)
  • As per drawing or standard flange dimensions
  • Feature
  • Corrosion Resistant, High Strength, Excellent workability, Oxidation Resistance
  • Grade
  • Inconel 825 (UNS N08825)
  • Material
  • Inconel 825
  • Pressure
  • 150# to 2500# (PN6 to PN400)
  • Product Type
  • Other, Flange
  • Purity
  • Nickel content minimum 38-46%
  • Shape
  • Other, Round, as per flange type
  • Size
  • 1/2 (15mm) to 24 (600mm) or Custom
  • Standard
  • Other, ASTM B564 / ASME SB564
  • Surface
  • Other, Bright, Finished, Machined
  • Technics
  • Other, Forged
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Alloy 20 Flanges

Alloy 20 Flanges

MOQ : 50 Pieces

  • Application
  • Chemical, Petrochemical, Pharmaceutical, Food Processing, Pulp & Paper, Power Generation
  • Color
  • Metallic Silver
  • Connection
  • Other, Welded, Threaded, Slip-On, Blind, Socket Welded, Lap Joint
  • Dimension (L*W*H)
  • As per order or standard specification
  • Feature
  • Corrosion Resistant, Acid Resistant, High Strength, Durable, Non-Magnetic, Excellent weldability
  • Grade
  • Alloy 20, Carpenter 20
  • Material
  • Alloy 20 (UNS N08020, WNR 2.4660)
  • Pressure
  • 150# to 2500# (PN6 to PN400)
  • Product Type
  • Other, Industrial Pipe Flange
  • Purity
  • High alloy purity as per grade requirements
  • Shape
  • Other, Round, Custom shapes available
  • Size
  • 1/2 to 48 (DN15 to DN1200)
  • Standard
  • Other, ASTM B462, ASME SB462, ANSI, DIN, JIS, BS
  • Surface
  • Other, Bright, Polished, Machined
  • Technics
  • Other, Forged, Precision Machined
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Hastelloy B2 Flanges

Hastelloy B2 Flanges

MOQ : 50 Pieces

  • Application
  • Petrochemical, Chemical Processing, Power Generation, Pharmaceuticals, Marine, Pulp and Paper, Pollution Control
  • Color
  • Metallic Silver
  • Connection
  • Other, Welded / Threaded / Slip-on / Socket Weld / Blind / Lap Joint
  • Dimension (L*W*H)
  • As per customer requirement / Standard Size
  • Feature
  • Excellent corrosion resistance, High strength, Durable
  • Grade
  • B2
  • Material
  • Hastelloy B2 (UNS N10665)
  • Pressure
  • Class 150 to 2500 LBS / PN6 to PN64
  • Product Type
  • Other, Pipe Flange
  • Purity
  • Nickel (Approx. 70%), Molybdenum (Approx. 28%), Other elements (2%)
  • Shape
  • Round
  • Size
  • 1/2 to 48 (DN15 - DN1200)
  • Standard
  • Other, ASTM B564, ASME SB564, EN, DIN, JIS, ANSI, BS
  • Surface
  • Other, Polished / Bright / Black / Rough
  • Technics
  • Other, Forged / Casting
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Hastelloy C22 Flanges

Hastelloy C22 Flanges

MOQ : 50 Pieces

  • Application
  • Chemical Processing, Oil & Gas, Power Generation, Marine, Petrochemical
  • Color
  • Silver
  • Connection
  • Other, Welded, Screwed, Threaded, Slip On, Blind, Socket Weld, Lap Joint, Weld Neck
  • Dimension (L*W*H)
  • Customized as per requirement
  • Feature
  • Corrosion Resistant, High Strength, Durable, Excellent Weldability
  • Grade
  • C22
  • Material
  • Hastelloy C22 (Nickel-Chromium-Molybdenum Alloy)
  • Pressure
  • 150#, 300#, 600#, 900#, 1500#, 2500#
  • Product Type
  • Other, Industrial Pipe Flange
  • Purity
  • >99%
  • Shape
  • Round
  • Size
  • 1/2 to 48 (DN15-DN1200)
  • Standard
  • Other, ASTM B564, ASME SB564, UNS N06022
  • Surface
  • Other, Bright, Smooth Finished
  • Technics
  • Other, Forged
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Hastelloy C276 Flanges

Hastelloy C276 Flanges

MOQ : 50 Pieces

  • Application
  • Chemical Plant, Petrochemical, Offshore, Power Generation
  • Color
  • Metallic Silver
  • Connection
  • Other, Welded / Screwed / Threaded
  • Dimension (L*W*H)
  • Customized as per specification
  • Feature
  • Corrosion Resistant, High Strength, Durable
  • Grade
  • C276
  • Material
  • Hastelloy C276 (UNS N10276)
  • Pressure
  • 150# to 2500#
  • Product Type
  • Other, Flanges
  • Purity
  • High Nickel-Molybdenum-Chromium Alloy
  • Shape
  • Round
  • Size
  • 1/2 to 24 (DN15-DN600)
  • Standard
  • Other, ASTM B564 / ASME SB564
  • Surface
  • Other, Bright / Polished / Machined
  • Technics
  • Other, Forged
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Contact Details
    SIYAK STEEL INTERNATIONAL

    GST : 27BBPPP3697B1Z7

  • Plot No. 2,7, Kikabhai Mansion, 3rd Floor Office No. 17, Kika Street, Girgaon,Mumbai - 400004, Maharashtra, India
  • Phone : 08071780592
  • Mr Narpat Siyak (Director )
  • Mobile : 08071780592
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